Improvement in adjustable gauge



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' )THOMAS E. WARREN, or SHLBURNE? FALLS, MASSACHUSETTS.

Letters BateatNo. 106,099,1lldt'ell August 2, 1870.

Q-Aw IMPROVEMENT IN ADJ'STABLE GAUGE.

The Schedule referred to in these Letters Patent and` making part of thesama To all whom it 'may"concern:`

i 'r Be it known that I, Thomas E. WARREN, of Shelburne Falls, inthecounty of Franklin ancLState ot'.

i Massachusetts, h ve invented anAdjustable Gauge or Marker; fand I `dovhereby declare that the following is a full, clear, and Aexact'description thereof', ref-j erence hemglhad to the accompanyingdrawing, andV `to the letters of reference marked thereon.

y l Drawing". i `Figure 1 is a side elevation of my improved gauge.4

` Figure 2-is a similar view,"partly insection.

-Fgure 3 is adetachedview of the griping-collar oi' ,the head-block.

` `Figure 4 isa top view of "the end of the har that holds themarlbpoints..` .1 l Figure 5 is a transverse section, taken on the linei Similailetter's dfjreference indicate identical parts in eachof theligures. A 'y The object of this invention is to providea gauge `whichshall be simple, neat, durable, and economical,

and, to this end, i

It consists in certain peculiarities of construction,

v combinationpand arrangement ofthe parts composing i same, as will behereinafter specilically designated and set forth in the following,specilcatiun and claim.

In the annexed drawing forming a part of this specificationl A is a baror rod; having a longitudinalslot at one end, asshown in fig. 4, throughwhich `plays a traveler, having :Lanark-point secured thereto in any`coui veulent `marinier, the lower side of the traveler having flangestofact againstthe under surfaces of the projecting parts ofthe har,`whendrawn up by turning i the thumhlnut, b, upon the lug b', attached tothetraveler.

- A washer may be introduced -between the thumbnut and the har, ifdesired. VA mark-point, a, is seicured to the bar A at the terminus ofthe slot in said bar, as'sliown in fig. 2; and v C is the head-block,through which the bar A freely passes. This block is also cutaway fromone of its sides, so as to admit the grping-collar D to such an extentas to allow the bar A to pass through it, when the head-block is'slidupon the bar.

Y The `collarD has a threaded arm, upon which acts a thumb-nut, E, overawasher, d. The head-block` C, collar-1), washer cl, and thumb-nut E,'constructed as shown and described, and for the purpose specified.In'testinionyl whereof I have hereunto signed my name to thisspecification, at Shelburne Falls, Franke' lin county, and State o fMassachusetts, in the presence of two attesting witnesses, this 27th dayof April, 1870. v

Witnesses Y 'GILBERT F. MHCHELL, J B. BARDWELL.

' vI do not claim any of these devices separatclyicon- What I do claim,and desire to secure by Letters T110. WARREN.

